Ridge Regression, Hubness, and Zero-Shot Learning

3 Jul 2015Yutaro ShigetoIkumi SuzukiKazuo HaraMasashi ShimboYuji Matsumoto

This paper discusses the effect of hubness in zero-shot learning, when ridge regression is used to find a mapping between the example space to the label space. Contrary to the existing approach, which attempts to find a mapping from the example space to the label space, we show that mapping labels into the example space is desirable to suppress the emergence of hubs in the subsequent nearest neighbor search step... (read more)

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